#7573E5
Closest named color: Medium Slate Blue (#7B68EE). oklch(61.3% 0.168 281), rgb(117, 115, 229).
Aa
Black text reads best on this color (5.34:1).
About this color
#7573E5 is a medium-dark, vivid purple. In OKLCH its lightness is 61%, its chroma 0.168 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.031 away. Black text reads best on it, at 5.34:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.34:1 |
| White text | 3.93:1 |
Values
| HEX | #7573E5 |
| RGB | rgb(117, 115, 229) |
| HSL | hsl(241, 69%, 67%) |
| OKLCH | oklch(61.3% 0.168 281) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #7573E5 | 3.93:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #7573E5 | 5.34:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #7573E5 text on white | 3.93:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #7573E5 text on black | 5.34:1 | AA | Lc -35.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D3D6F7
oklch(88.4% 0.045 281.3)
-
Step 300
300
#B7BBF5
oklch(80.9% 0.082 281.3)
-
Step 400
400
#9396F0
oklch(70.8% 0.13 281.1)
-
Step 500
500 (this color)
#7573E5
oklch(61.3% 0.168 281)
-
Step 600
600
#655ED9
oklch(55.5% 0.182 281.2)
-
Step 700
700
#544DBD
oklch(49.1% 0.17 280.9)
-
Step 800
800
#454099
oklch(42.8% 0.141 281.2)
-
Step 900
900
#393779
oklch(37.6% 0.109 281.1)
-
Step 950
950
#212147
oklch(27% 0.069 280.7)
#7573E5 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3D85E9 | 0.069 |
| Deuteranopia (no green cones) | #347CE3 | 0.070 |
| Tritanopia (no blue cones) | #4B8CA1 | 0.146 |
| Achromatopsia (no color) | #808080 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7573E5
#7573E5
oklch(61.3% 0.168 281)
- #958500
#958500
oklch(61.2% 0.128 100.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7573E5, closest first.
No curated palette has a color within ΔE 0.04 of #7573E5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.031
- Cornflower #6A79F7 ΔE 0.031
- Medium Purple #9370DB ΔE 0.048
- Soft Blue #6488EA ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.061
- Periwinkle #8E82FE ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.067
- Purpley #8756E4 ΔE 0.067
Use #7573E5 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.